package cn.edu.scau.cmi.ema.controller.rest;

import org.springframework.stereotype.Controller;

import java.util.List;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.io.IOException;

import com.google.gson.Gson;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;


import cn.edu.scau.cmi.ema.domain.base.CmiPagination;
import cn.edu.scau.cmi.ema.service.base.CmiPsonService;
import cn.edu.scau.cmi.ema.controller.base.CmiEmaController;
import cn.edu.scau.cmi.ema.dao.*;
import cn.edu.scau.cmi.ema.domain.*;
import cn.edu.scau.cmi.ema.service.*;

import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.bind.WebDataBinder;

@Controller("FiletypeRestController")
public class FiletypeRestController extends CmiEmaController {

	/**
	 * Create a new Filetype entity
	 * 
	 */
	@RequestMapping(value = "/newFiletype", method = RequestMethod.POST)
	@ResponseBody
	public Object newFiletype(@RequestBody Filetype filetype) {
		filetypeService.saveFiletype(filetype);
		return JSONObject.parse(cmiPsonService.toJsonString(filetypeDAO.findFiletypeByPrimaryKey(filetype.getId()), 2));
	}

	@RequestMapping(value = "/restNewFiletype", method = RequestMethod.POST)
	@ResponseBody
	public Object restNewFiletype(@RequestBody String filetypeJson) {
		Filetype filetype = new Gson().fromJson(filetypeJson, Filetype.class);
		appendReferences(filetype);
		filetypeService.saveFiletype(filetype);
		return JSONObject.parse(cmiPsonService.toJsonString(filetypeDAO.findFiletypeByPrimaryKey(filetype.getId()), 2));
	}

	@RequestMapping(value = "/saveFiletype", method = RequestMethod.PUT)
	@ResponseBody
	public Filetype saveFiletype(@RequestBody Filetype filetype) {
		filetypeService.saveFiletype(filetype);
		return filetypeDAO.findFiletypeByPrimaryKey(filetype.getId());
	}

	@RequestMapping(value = "/restSaveFiletype", method = RequestMethod.PUT)
	@ResponseBody
	public Object restSaveFiletype(@RequestBody String filetypeJson) {
		Filetype filetype = new Gson().fromJson(filetypeJson, Filetype.class);
		appendReferences(filetype);
		CmiPsonService cmiPsonService = new CmiPsonService();
		filetypeService.saveFiletype(filetype);
		return JSONObject.parse(cmiPsonService.toJsonString(filetypeDAO.findFiletypeByPrimaryKey(filetype.getId()), 1));
	}

	@RequestMapping(value = "/restDeleteFiletype/{filetypeId}", method = RequestMethod.DELETE)
	@ResponseBody
	public void restDeleteFiletype(@PathVariable Integer filetypeId) {
		Filetype filetype = filetypeDAO.findFiletypeByPrimaryKey(filetypeId);
		filetypeService.deleteFiletype(filetype);
	}

	@RequestMapping(value = "/restConfirmDeleteFiletypes")
	@ResponseBody
	public Object restConfirmDeleteFiletypes(@RequestBody Set<Integer> deleteFiletypesIds) {
		Set<Filetype> deleteFiletypes = filetypeDAO.findFiletypesByIds(deleteFiletypesIds);
		Set<Filetype> referencedFiletypes = filetypeService.loadReferenceFiletypes(deleteFiletypes);
		deleteFiletypes.removeAll(referencedFiletypes);
		JSONObject jsonObject = new JSONObject();
		jsonObject.put("referencedEntitys", referencedFiletypes);
		jsonObject.put("deleteEntitys", deleteFiletypes);
		return JSONObject.parse(jsonObject.toJSONString());
	}

	@RequestMapping("/restDeleteFiletypes")
	@ResponseBody
	public Object restDeleteFiletypes(@RequestBody Set<Filetype> deleteFiletypes) {
		Iterator<Filetype> iterator = deleteFiletypes.iterator();
		while (iterator.hasNext()) {
			Filetype currentFiletype = iterator.next();
			filetypeService.deleteFiletype(currentFiletype);
		}
		JSONObject jsonObject = new JSONObject();
		jsonObject.put("url", "listFiletypes");
		return JSONObject.parse(jsonObject.toJSONString());
	}
	// loadself

	@RequestMapping(value = "/restLoadFiletype/{filetypeId}", method = RequestMethod.POST)
	@ResponseBody
	public Object restLoadFiletype(@PathVariable Integer filetypeId, @RequestBody CmiPagination cmiPagination) {
		CmiPsonService cmiPsonService = new CmiPsonService();
		return JSONObject
				.parse(cmiPsonService.toPsonString(filetypeDAO.findFiletypeByPrimaryKey(filetypeId), 2, cmiPagination));
	}
	// loadReferenceds
	// TODO loadReferencedsPson，这个方法有一些问题，待修复

	@RequestMapping(value = "/restLoadFiletypeCrawlerfiles/{filetypeId}/crawlerfiles/{relatedcrawlerfileId}", method = RequestMethod.POST)
	@ResponseBody
	public Object restLoadFiletypeCrawlerfiles(@PathVariable Integer filetypeId,
			@PathVariable Integer relatedcrawlerfileId, @RequestBody CmiPagination cmiPagination) {
		Crawlerfile crawlerfile = crawlerfileDAO.findCrawlerfileByPrimaryKey(relatedcrawlerfileId, -1, -1);
		CmiPsonService cmiPsonService = new CmiPsonService();
		return JSONObject.parse(cmiPsonService.toPsonString(crawlerfile, 2, cmiPagination));
	}

	public void appendReferences(Filetype filetype) {

		// 引用表不是纯联系表，引用数量大于或者等于2
		Set<Crawlerfile> crawlerfilesForFiletype = new HashSet<>();
		for (Crawlerfile crawlerfile_Filetype : filetype.getCrawlerfilesForFiletype()) {
			crawlerfilesForFiletype.add(crawlerfileService.findCrawlerfileByPrimaryKey(crawlerfile_Filetype.getId()));
		}
		filetype.setCrawlerfilesForFiletype(crawlerfilesForFiletype);
	}

	@RequestMapping(value = "/restGetFiletypeCrawlerfiles/{filetypeId}/crawlerfiles", method = RequestMethod.POST)
	@ResponseBody
	public Object restGetFiletypeCrawlerfiles(@PathVariable Integer filetypeId,
			@RequestBody CmiPagination cmiPagination) {
		CmiPsonService cmiPsonService = new CmiPsonService();
		return JSONObject.parse(cmiPsonService.toPsonString(
				filetypeDAO.findFiletypeByPrimaryKey(filetypeId).getCrawlerfilesForFiletype(), 2, cmiPagination));
	}

	@RequestMapping(value = "/restListFiletypes", method = RequestMethod.GET)
	@ResponseBody
	public Object restListFiletypes() {
		return JSONObject.parse(cmiPsonService.toJsonString(filetypeService.loadFiletypes(), 2));
	}

	@RequestMapping(value = "/restListFiletypesPost", method = RequestMethod.POST)
	@ResponseBody
	public Object restListFiletypesPost(@RequestBody CmiPagination cmiPagination) {

		CmiPsonService cmiPsonService = new CmiPsonService();
		cmiPagination = filetypePaginationService.updateAppPagination(cmiPagination);
		int startResult = (cmiPagination.getCurrentPagination() - 1) * cmiPagination.getPaginationSize();

		Set<Filetype> filetypes = filetypeDAO.findAllFiletypes(startResult, cmiPagination.getPaginationSize());
		String filetypeString = cmiPsonService.toPsonString(filetypes, 2, cmiPagination);

		return JSONObject.parse(filetypeString);
	}

	@RequestMapping("/filetypeSelectBox")
	@ResponseBody
	public JSONObject filetypeSelectBox(@RequestParam(required = false) String searchTable,
			@RequestParam(required = false) Set<Integer> searchValue, // 杨宏宇2019-9-10：searchValue是在selectpage.js的616行定义，如果要修改searchValue的名称，1.可以修改在selectpage.js修改；2.可以
																		// @RequestParam(value="searchValue", required =
																		// false) Set<Integer> someName
			@RequestParam(required = false, defaultValue = "10") int paginationSize,
			@RequestParam(required = false, defaultValue = "1") int pageNumber,
			@RequestParam(value = "qWord[]", required = false) String queryword,
			@RequestParam(required = false) String selectItem) throws IOException {
		Set entitySet = null;
		Integer count = 0;

		// 初始化原始值

		if (searchValue != null) {
			switch (searchTable) {
			// 外键

			// 被引用键
			case "Crawlerfile":
				entitySet = crawlerfileService.loadCrawlerfilesByIdSet(searchValue);
				break;
			}
			// 没有测试，深度需要多少？？？
			String jsonData = cmiPsonService.toJsonString(entitySet, 1);
			JSONArray jsonArray = new JSONArray();
			jsonArray = (JSONArray) JSON.parse((String) jsonData);

			JSONObject jsonObject = new JSONObject();
			jsonObject.put("list", jsonArray);
			jsonObject.put("totalRow", entitySet.size());
			return jsonObject;
		}

		// 不根据关键字进行搜索
		if (queryword == null || queryword.trim() == "") {
			switch (selectItem) {
			// 外键

			// 被引用键
			case "Crawlerfile":
				entitySet = crawlerfileDAO.findAllCrawlerfiles((pageNumber - 1) * paginationSize, paginationSize);
				count = crawlerfileService.countCrawlerfiles();
				break;
			}
		} else {
			switch (selectItem) {
			// 外键

			// 被引用键
			case "Crawlerfile":
				entitySet = crawlerfileDAO.findCrawlerfileByNameContaining(queryword, (pageNumber - 1) * paginationSize,
						paginationSize);
				count = crawlerfileService.countCrawlerfilesByName(queryword);
				break;
			}
		}
		/**
		 * 将Json数据转换成jsonArray形式，需要通过pson方式进行转换，然后再转换成JsonArray。因为存在懒加载
		 * 没有直接使用CmiPsonService中的fromJson方法是因为，fromJson方法会将int类型的直接转换成double类型的数据，这个问题还没有解决
		 */
		// 没有测试，深度需要多少？？？
		String jsonData = cmiPsonService.toJsonString(entitySet, 1);
		JSONArray jsonArray = new JSONArray();
		jsonArray = (JSONArray) JSON.parse((String) jsonData);

		JSONObject jsonObject = new JSONObject();
		jsonObject.put("list", jsonArray);
		jsonObject.put("paginationSize", paginationSize);
		jsonObject.put("pageNumber", pageNumber);
		jsonObject.put("totalRow", count);
		jsonObject.put("totalPaginations",
				count % paginationSize == 0 ? count / paginationSize : count / paginationSize + 1);
		return jsonObject;
	}
}
